You've got it—this is a great example of how the games section has systematized over the years. Not all the things we've learned about how the test writers construct modern games necessarily apply to these old-ass games.

Still, as you've said, our main job is to follow the rules. When we're told that all three pilots are in the air, and that no plane flies without a pilot, then we've got at most three planes in the air.

The worst part is how easy it is to assume that you've only got one pilot—or only one co-pilot—in each plane! THOSE BASTARDS.

Keeping in mind the possibility that we bunch our pilots and co-pilots in unexpected ways, I found success using a multi-row ordering diagram: